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https://issues.apache.org/jira/browse/ARROW-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17658922#comment-17658922
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Rok Mihevc commented on ARROW-1891:
-----------------------------------

This issue has been migrated to [issue 
#17885|https://github.com/apache/arrow/issues/17885] on GitHub. Please see the 
[migration documentation|https://github.com/apache/arrow/issues/14542] for 
further details.

> [Python] NaT date32 values are only converted to nulls if from_pandas is used
> -----------------------------------------------------------------------------
>
>                 Key: ARROW-1891
>                 URL: https://issues.apache.org/jira/browse/ARROW-1891
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>            Reporter: Uwe Korn
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.8.0
>
>
> {code}
> np.array([None, date(2017, 4, 4)], dtype='datetime64[D]')
> pa.array(expected, from_pandas=True) -> [null, 2017-4-4]
> pa.array(expected, from_pandas=True) -> [1970-1-1, 2017-4-4]
> {code}



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